Jeans (kill Me) Flashcards
What is blending theory?
Characteristics would mix from parents (aka: red + white = pink)
What is the spermist theory?
Pre formed organism in the sperm
What is the ratio of dominant to recessive when both parents are heterozygous and unlinked?
3:1
What is the Law of Segregation?
Alleles segregate during gamete formation
What are the ratios of Dom Dom, Dom Rec, and Rec Rec when two parents who are heterozygous for 2 genes are bred?
9:3:3:1
What is the product rule?
The probability of independent events occurring together is the product of the individual probabilities (ex. 3/4 chance for round and 3/4 chance for yellow, round and yellow is 9/16)
What is the sum rule?
Probability of either one or the other of two mutually exclusive events is the sum of their probabilities (ex. wrinkled 1/4 round 3/4, add up to 1 cus it’ll be either or)
What did Walter Flemming do?
Discovered mitosis and cell replication including chromosomes splitting between daughter cells
What did Walter Sutton discover?
Split chromosomes in half in metaphase
What is Thomas Hunt Morgan famous for?
Drosophila and trying to get a mutation out of them
What chromosomes are drosophila eye color tied to?
XY
What chromosome is the white eye mutation on?
X
What occurrence might disrupt independent assortment? (The genes may be ____)
Coupled
Which gametes are overrepresented after test crossing an F1 generation with an all recessive?
The gametes from the parents (Parents -> F1 -> test cross generation)
When does crossing over occur?
Meiosis